[PATCH] PPC32: Use platform device style initialization for 85xxserial8250 ports
From: Kumar Gala
Date: Fri Jan 28 2005 - 13:49:39 EST
Converts the initialization of serial8250 ports on various 85xx parts from
using the old ISA style to a platform device.
Signed-off-by: Kumar Gala <kumar.gala@xxxxxxxxxxxxx>
---
diff -Nru a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c
--- a/arch/ppc/platforms/85xx/mpc8540_ads.c 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.c 2005-01-28 12:26:45 -06:00
@@ -147,10 +147,25 @@
#ifdef CONFIG_SERIAL_TEXT_DEBUG
{
bd_t *binfo = (bd_t *) __res;
+ struct uart_port p;
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
settlbcam(NUM_TLBCAMS - 1, binfo->bi_immr_base,
binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
+
+ memset(&p, 0, sizeof (p));
+ p.iotype = SERIAL_IO_MEM;
+ p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET;
+ p.uartclk = binfo->bi_busfreq;
+
+ gen550_init(0, &p);
+
+ memset(&p, 0, sizeof (p));
+ p.iotype = SERIAL_IO_MEM;
+ p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET;
+ p.uartclk = binfo->bi_busfreq;
+
+ gen550_init(1, &p);
}
#endif
diff -Nru a/arch/ppc/platforms/85xx/mpc8540_ads.h b/arch/ppc/platforms/85xx/mpc8540_ads.h
--- a/arch/ppc/platforms/85xx/mpc8540_ads.h 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.h 2005-01-28 12:26:45 -06:00
@@ -22,8 +22,4 @@
#include <syslib/ppc85xx_setup.h>
#include <platforms/85xx/mpc85xx_ads_common.h>
-#define SERIAL_PORT_DFNS \
- STD_UART_OP(0) \
- STD_UART_OP(1)
-
#endif /* __MACH_MPC8540ADS_H__ */
diff -Nru a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c 2005-01-28 12:26:45 -06:00
@@ -396,11 +396,25 @@
#ifdef CONFIG_SERIAL_TEXT_DEBUG
{
bd_t *binfo = (bd_t *) __res;
+ struct uart_port p;
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
settlbcam(NUM_TLBCAMS - 1, binfo->bi_immr_base,
- binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
-
+ binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
+
+ memset(&p, 0, sizeof (p));
+ p.iotype = SERIAL_IO_MEM;
+ p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET;
+ p.uartclk = binfo->bi_busfreq;
+
+ gen550_init(0, &p);
+
+ memset(&p, 0, sizeof (p));
+ p.iotype = SERIAL_IO_MEM;
+ p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET;
+ p.uartclk = binfo->bi_busfreq;
+
+ gen550_init(1, &p);
}
#endif
diff -Nru a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h 2005-01-28 12:26:45 -06:00
@@ -73,8 +73,4 @@
#define MPC85XX_PCI2_IO_SIZE 0x01000000
-#define SERIAL_PORT_DFNS \
- STD_UART_OP(0) \
- STD_UART_OP(1)
-
#endif /* __MACH_MPC85XX_CDS_H__ */
diff -Nru a/arch/ppc/platforms/85xx/mpc85xx_devices.c b/arch/ppc/platforms/85xx/mpc85xx_devices.c
--- a/arch/ppc/platforms/85xx/mpc85xx_devices.c 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc85xx_devices.c 2005-01-28 12:26:45 -06:00
@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
+#include <linux/serial_8250.h>
#include <linux/fsl_devices.h>
#include <asm/mpc85xx.h>
#include <asm/irq.h>
@@ -47,6 +48,21 @@
.device_flags = FSL_I2C_DEV_SEPARATE_DFSRR,
};
+static struct plat_serial8250_port serial_platform_data[] = {
+ [0] = {
+ .mapbase = 0x4500,
+ .irq = MPC85xx_IRQ_DUART,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ,
+ },
+ [1] = {
+ .mapbase = 0x4600,
+ .irq = MPC85xx_IRQ_DUART,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ,
+ },
+};
+
struct platform_device ppc_sys_platform_devices[] = {
[MPC85xx_TSEC1] = {
.name = "fsl-gianfar",
@@ -222,6 +238,11 @@
.flags = IORESOURCE_IRQ,
},
},
+ },
+ [MPC85xx_DUART] = {
+ .name = "serial8250",
+ .id = 0,
+ .dev.platform_data = serial_platform_data,
},
[MPC85xx_PERFMON] = {
.name = "fsl-perfmon",
diff -Nru a/arch/ppc/platforms/85xx/mpc85xx_sys.c b/arch/ppc/platforms/85xx/mpc85xx_sys.c
--- a/arch/ppc/platforms/85xx/mpc85xx_sys.c 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/platforms/85xx/mpc85xx_sys.c 2005-01-28 12:26:45 -06:00
@@ -24,12 +24,12 @@
.ppc_sys_name = "MPC8540",
.mask = 0xFFFF0000,
.value = 0x80300000,
- .num_devices = 9,
+ .num_devices = 10,
.device_list = (enum ppc_sys_devices[])
{
MPC85xx_TSEC1, MPC85xx_TSEC2, MPC85xx_FEC, MPC85xx_IIC1,
MPC85xx_DMA0, MPC85xx_DMA1, MPC85xx_DMA2, MPC85xx_DMA3,
- MPC85xx_PERFMON,
+ MPC85xx_PERFMON, MPC85xx_DUART,
},
},
{
@@ -52,12 +52,12 @@
.ppc_sys_name = "MPC8541",
.mask = 0xFFFF0000,
.value = 0x80720000,
- .num_devices = 12,
+ .num_devices = 13,
.device_list = (enum ppc_sys_devices[])
{
MPC85xx_TSEC1, MPC85xx_TSEC2, MPC85xx_IIC1,
MPC85xx_DMA0, MPC85xx_DMA1, MPC85xx_DMA2, MPC85xx_DMA3,
- MPC85xx_PERFMON,
+ MPC85xx_PERFMON, MPC85xx_DUART,
MPC85xx_CPM_SPI, MPC85xx_CPM_I2C,
MPC85xx_CPM_FCC1, MPC85xx_CPM_FCC2,
},
@@ -66,12 +66,12 @@
.ppc_sys_name = "MPC8541E",
.mask = 0xFFFF0000,
.value = 0x807A0000,
- .num_devices = 13,
+ .num_devices = 14,
.device_list = (enum ppc_sys_devices[])
{
MPC85xx_TSEC1, MPC85xx_TSEC2, MPC85xx_IIC1,
MPC85xx_DMA0, MPC85xx_DMA1, MPC85xx_DMA2, MPC85xx_DMA3,
- MPC85xx_PERFMON, MPC85xx_SEC2,
+ MPC85xx_PERFMON, MPC85xx_DUART, MPC85xx_SEC2,
MPC85xx_CPM_SPI, MPC85xx_CPM_I2C,
MPC85xx_CPM_FCC1, MPC85xx_CPM_FCC2,
},
@@ -80,12 +80,12 @@
.ppc_sys_name = "MPC8555",
.mask = 0xFFFF0000,
.value = 0x80710000,
- .num_devices = 19,
+ .num_devices = 20,
.device_list = (enum ppc_sys_devices[])
{
MPC85xx_TSEC1, MPC85xx_TSEC2, MPC85xx_IIC1,
MPC85xx_DMA0, MPC85xx_DMA1, MPC85xx_DMA2, MPC85xx_DMA3,
- MPC85xx_PERFMON,
+ MPC85xx_PERFMON, MPC85xx_DUART,
MPC85xx_CPM_SPI, MPC85xx_CPM_I2C, MPC85xx_CPM_SCC1,
MPC85xx_CPM_SCC2, MPC85xx_CPM_SCC3,
MPC85xx_CPM_FCC1, MPC85xx_CPM_FCC2, MPC85xx_CPM_FCC3,
@@ -97,12 +97,12 @@
.ppc_sys_name = "MPC8555E",
.mask = 0xFFFF0000,
.value = 0x80790000,
- .num_devices = 20,
+ .num_devices = 21,
.device_list = (enum ppc_sys_devices[])
{
MPC85xx_TSEC1, MPC85xx_TSEC2, MPC85xx_IIC1,
MPC85xx_DMA0, MPC85xx_DMA1, MPC85xx_DMA2, MPC85xx_DMA3,
- MPC85xx_PERFMON, MPC85xx_SEC2,
+ MPC85xx_PERFMON, MPC85xx_DUART, MPC85xx_SEC2,
MPC85xx_CPM_SPI, MPC85xx_CPM_I2C, MPC85xx_CPM_SCC1,
MPC85xx_CPM_SCC2, MPC85xx_CPM_SCC3,
MPC85xx_CPM_FCC1, MPC85xx_CPM_FCC2, MPC85xx_CPM_FCC3,
diff -Nru a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
--- a/arch/ppc/syslib/ppc85xx_setup.c 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/syslib/ppc85xx_setup.c 2005-01-28 12:26:45 -06:00
@@ -21,12 +21,14 @@
#include <linux/serial.h>
#include <linux/tty.h> /* for linux/serial_core.h */
#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/mpc85xx.h>
#include <asm/immap_85xx.h>
#include <asm/mmu.h>
+#include <asm/ppc_sys.h>
#include <asm/kgdb.h>
#include <syslib/ppc85xx_setup.h>
@@ -72,40 +74,39 @@
void __init
mpc85xx_early_serial_map(void)
{
+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
struct uart_port serial_req;
+#endif
+ struct plat_serial8250_port *pdata;
bd_t *binfo = (bd_t *) __res;
- phys_addr_t duart_paddr = binfo->bi_immr_base + MPC85xx_UART0_OFFSET;
+ pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(MPC85xx_DUART);
/* Setup serial port access */
+ pdata[0].uartclk = binfo->bi_busfreq;
+ pdata[0].mapbase += binfo->bi_immr_base;
+ pdata[0].membase = ioremap(pdata[0].mapbase, MPC85xx_UART0_SIZE);
+
+#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
memset(&serial_req, 0, sizeof (serial_req));
- serial_req.uartclk = binfo->bi_busfreq;
- serial_req.line = 0;
- serial_req.irq = MPC85xx_IRQ_DUART;
- serial_req.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
serial_req.iotype = SERIAL_IO_MEM;
- serial_req.membase = ioremap(duart_paddr, MPC85xx_UART0_SIZE);
- serial_req.mapbase = duart_paddr;
+ serial_req.mapbase = pdata[0].mapbase;
+ serial_req.membase = pdata[0].membase;
serial_req.regshift = 0;
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
gen550_init(0, &serial_req);
#endif
- if (early_serial_setup(&serial_req) != 0)
- printk("Early serial init of port 0 failed\n");
-
- /* Assume early_serial_setup() doesn't modify serial_req */
- duart_paddr = binfo->bi_immr_base + MPC85xx_UART1_OFFSET;
- serial_req.line = 1;
- serial_req.mapbase = duart_paddr;
- serial_req.membase = ioremap(duart_paddr, MPC85xx_UART1_SIZE);
+ pdata[1].uartclk = binfo->bi_busfreq;
+ pdata[1].mapbase += binfo->bi_immr_base;
+ pdata[1].membase = ioremap(pdata[1].mapbase, MPC85xx_UART0_SIZE);
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
+ /* Assume gen550_init() doesn't modify serial_req */
+ serial_req.mapbase = pdata[1].mapbase;
+ serial_req.membase = pdata[1].membase;
+
gen550_init(1, &serial_req);
#endif
-
- if (early_serial_setup(&serial_req) != 0)
- printk("Early serial init of port 1 failed\n");
}
#endif
diff -Nru a/arch/ppc/syslib/ppc85xx_setup.h b/arch/ppc/syslib/ppc85xx_setup.h
--- a/arch/ppc/syslib/ppc85xx_setup.h 2005-01-28 12:26:45 -06:00
+++ b/arch/ppc/syslib/ppc85xx_setup.h 2005-01-28 12:26:45 -06:00
@@ -43,9 +43,6 @@
#define PCIX_STATUS 0x64
/* Serial Config */
-#define MPC85XX_0_SERIAL (CCSRBAR + 0x4500)
-#define MPC85XX_1_SERIAL (CCSRBAR + 0x4600)
-
#ifdef CONFIG_SERIAL_MANY_PORTS
#define RS_TABLE_SIZE 64
#else
@@ -55,12 +52,6 @@
#ifndef BASE_BAUD
#define BASE_BAUD 115200
#endif
-
-#define STD_UART_OP(num) \
- { 0, BASE_BAUD, num, MPC85xx_IRQ_DUART, \
- (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
- iomem_base: (u8 *)MPC85XX_##num##_SERIAL, \
- io_type: SERIAL_IO_MEM},
/* Offset of CPM register space */
#define CPM_MAP_ADDR (CCSRBAR + MPC85xx_CPM_OFFSET)
-
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